Home / 154,505.41-231,844.23-83,426.55

Finding the Fourth Proportional to 154,505.41, 231,844.23 and 83,426.55

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Solution

The fourth proportional to 154,505.41, 231,844.23 and 83,426.55 is: 125,186.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,505.41 : 231,844.23 = 83,426.55 : x
  2. Step 2: Convert to fraction form
    154,505.41/231,844.23 = 83,426.55/x
  3. Step 3: Cross multiply
    154,505.41x = 231,844.23 × 83,426.55
  4. Step 4: Simplify right side
    154,505.41x = 19,341,964,246.31
  5. Step 5: Solve for x
    x = 19,341,964,246.31/154,505.41
  6. Step 6: Final answer
    x = 125,186.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.